Converting waste toilet paper into electricity in a two-step process results in an overall electric efficiency of 57%, similar to a natural gas combined cycle plant. The levelized cost of electricity is 20.3¢/kWh, comparable at present to residential photovoltaic installations.

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Converting waste toilet paper into electricity in a two-step process results in an overall electric efficiency of 57%, similar to a natural gas combined cycle plant. The levelized cost of electricity is 20.3¢/kWh, comparable at present to residential photovoltaic installations.